Home / 199,389,972.80-299,084,959.20-108,690,708.80

Finding the Fourth Proportional to 199,389,972.80, 299,084,959.20 and 108,690,708.80

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Solution

The fourth proportional to 199,389,972.80, 299,084,959.20 and 108,690,708.80 is: 163,036,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,389,972.80 : 299,084,959.20 = 108,690,708.80 : x
  2. Step 2: Convert to fraction form
    199,389,972.80/299,084,959.20 = 108,690,708.80/x
  3. Step 3: Cross multiply
    199,389,972.80x = 299,084,959.20 × 108,690,708.80
  4. Step 4: Simplify right side
    199,389,972.80x = 32,507,756,206,867,080
  5. Step 5: Solve for x
    x = 32,507,756,206,867,080/199,389,972.80
  6. Step 6: Final answer
    x = 163,036,063.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.